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145420510 = 2514542051
BaseRepresentation
bin10001010101011…
…11000011011110
3101010122010102211
420222233003132
5244211424020
622232511034
73414024334
oct1052570336
9333563384
10145420510
11750a4644
124084b47a
1324187651
1415455b54
15cb7785a
hex8aaf0de

145420510 has 8 divisors (see below), whose sum is σ = 261756936. Its totient is φ = 58168200.

The previous prime is 145420493. The next prime is 145420553. The reversal of 145420510 is 15024541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1454205102 = 42294249457320200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7271016 + ... + 7271035.

It is an arithmetic number, because the mean of its divisors is an integer number (32719617).

Almost surely, 2145420510 is an apocalyptic number.

145420510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145420510 is a deficient number, since it is larger than the sum of its proper divisors (116336426).

145420510 is a wasteful number, since it uses less digits than its factorization.

145420510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14542058.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 145420510 is about 12059.0426651538. The cubic root of 145420510 is about 525.8661560017.

The spelling of 145420510 in words is "one hundred forty-five million, four hundred twenty thousand, five hundred ten".

Divisors: 1 2 5 10 14542051 29084102 72710255 145420510